Size Reduction - Visual Encyclopedia of Chemical Engeerg

Size reduction impact crushers occurs through particle concussion by rigid forces. The hammer crusher , also called the hammer mill, is an example of an impact crusher. In hammer crushers, hammers swg freely on a disc mounted on the ma shaft with the device . As the disc rotates, the feed material is struck and crushed by descendg hammers until it is fe enough to pass through a screen or opengs and exit the device .